Files
TempleOS-Rijn/SparrowOS/Compiler/Unassembler.CPP
T
2018-09-08 21:45:28 +02:00

880 lines
18 KiB
C++

I64 InstEntriesCompare(CInstruction *tempi1,CInstruction *tempi2)
{
I64 i1,i2,j=0,result=0,oc_cnt1=tempi1->opcode_cnt,oc_cnt2=tempi2->opcode_cnt;
if (tempi1->flags&IEF_STI)
oc_cnt1--;
if (tempi2->flags&IEF_STI)
oc_cnt2--;
while (TRUE) {
if (j<oc_cnt1 && j<oc_cnt2) {
if (result=tempi1->opcode[j]-tempi2->opcode[j])
return result;
j++;
} else {
if (result=oc_cnt1-oc_cnt2)
return result;
if (tempi1->flags&IEF_STI)
i1=tempi1->opcode[j]>>3&7;
else
i1=tempi1->slash_val;
if (tempi2->flags&IEF_STI)
i2=tempi2->opcode[j]>>3&7;
else
i2=tempi2->slash_val;
if (result=i1-i2) return result;
if (tempi1->flags&IEF_STI && tempi2->flags&IEF_STI) {
i1=tempi1->opcode[j]&7;
i2=tempi2->opcode[j]&7;
if (result=i1-i2) return result;
}
if (tempi1->flags&IEF_STI)
return 1;
if (tempi2->flags&IEF_STI)
return -1;
i1=tempi1->flags & IEF_OP_SIZE32;
i2=tempi2->flags & IEF_OP_SIZE32;
if (result=i1-i2) return result;
i1=Bt(&uasm_ins64_mask,tempi1->arg1) ||
Bt(&uasm_ins64_mask,tempi1->arg2);
i2=Bt(&uasm_ins64_mask,tempi2->arg1) ||
Bt(&uasm_ins64_mask,tempi2->arg2);
if (result=i1-i2) return result;
i1=tempi1->flags & IEF_48_REX;
i2=tempi2->flags & IEF_48_REX;
return i1-i2;
}
}
}
U0 UnasmHashLoad()
{
CHashTable *h=asm_hash;
CHashOpcode *temph;
CInstruction *tempi;
I64 cnt=0,j,k;
unasm_table=NULL;
unasm_table_entries=0;
uasm_ins64_mask=0x0880888880+1<<ARGT_ST0+1<<ARGT_STI;
uasm_signed_arg_mask=1<<ARGT_REL8+1<<ARGT_REL16+1<<ARGT_REL32+
1<<ARGT_IMM8+1<<ARGT_IMM16+1<<ARGT_IMM32+1<<ARGT_IMM64;
uasm_mem_mask=1<<ARGT_M8+1<<ARGT_M16+1<<ARGT_M32+1<<ARGT_M64;
temph=h->next_added;
while (temph!=h) {
if (temph->type==HTT_OPCODE)
cnt+=temph->instruction_entry_cnt;
temph=temph->next_added;
}
unasm_table_entries=cnt;
j=0;
unasm_table=MAlloc(cnt*sizeof(U8 *));
temph=h->next_added;
while (temph!=h) {
if (temph->type==HTT_OPCODE) {
tempi=&temph->ins;
for (k=0;k<temph->instruction_entry_cnt;k++) {
unasm_table[j++]=tempi;
tempi++;
}
}
temph=temph->next_added;
}
QSortI64(unasm_table,cnt,&InstEntriesCompare);
}
/*
U0 DumpUnasmIns(CInstruction *tempi)
{
CHashOpcode *tempo=tempi(U8 *)-tempi->ins_entry_num*sizeof(CInstruction)-offset(CHashOpcode.ins);
"%10s:%02d,%02d SV:%02d\n",tempo->str,tempi->arg1,tempi->arg2,tempi->slash_val;
}
U0 DumpUnasmTable()
{
I64 k;
for (k=0;k<unasm_table_entries;k++)
DumpUnasmIns(unasm_table[k]);
}
*/
U0 Ui(U8 *buf,U8 **_ip,I64 seg_size=64,I64 *branch=NULL)
//Unassembles one instruction
{
I64 disp,imm,opsize,opadd,
i,j,k,n,m,o1,o2,a1,a2,aa1,aa2,arg1_size=0,arg2_size=0,a1_size,a2_size,
ModrM=-1,SIB=-1,scale,r1,r2,
Mod=-1,RM1=-1,RM2=-1,REX=-1,REX_r=0,REX_x=0,REX_b=0,oc_cnt,sv;
Bool cont;
CInstruction *tempi;
CHashOpcode *tempo;
U8 *ip=*_ip,*ptr,*a1_st,*a2_st,*bin_data_area,*bin_data_area2,
buf2[256],buf3[256],seg_overrides[40],arg1_st[256],arg2_st[256];
if (branch) *branch=-1;
if (seg_size==16) {
opsize=16;
opadd=16;
} else if (seg_size==32) {
opsize=32;
opadd=32;
} else {
opsize=32;
opadd=64;
}
*arg1_st=0;
*arg2_st=0;
a1_st=arg1_st;
a2_st=arg2_st;
if (!IsRaw && PutSrcLink(ip,1,buf))
StrCat(buf,"\n");
else
*buf=0;
SPrintF(buf+StrLen(buf),"%24tP ",ip);
bin_data_area=buf+StrLen(buf);
for (i=0;i<6;i++) {
SPrintF(buf2,"%02X",ip[i]);
StrCat(buf,buf2);
}
StrCat(buf," ");
SPrintF(buf3,"%24tP ",ip+6);
bin_data_area2=buf3+StrLen(buf3);
for (i=6;i<12;i++) {
SPrintF(buf2,"%02X",ip[i]);
StrCat(buf3,buf2);
}
*seg_overrides=0;
cont=TRUE;
do {
switch (*ip++) {
case 0x2E: StrCat(seg_overrides,"CS:"); break;
case 0x36: StrCat(seg_overrides,"SS:"); break;
case 0x3E: StrCat(seg_overrides,"DS:"); break;
case 0x26: StrCat(seg_overrides,"ES:"); break;
case 0x64: StrCat(seg_overrides,"FS:"); break;
case 0x65: StrCat(seg_overrides,"GS:"); break;
case OC_OP_SIZE_PREFIX:
if (opsize==16)
opsize=32;
else
opsize=16;
break;
case OC_ADDR_SIZE_PREFIX:
if (opadd==16)
opadd=32;
else
opadd=16;
break;
case 0x40:
REX=0x40;
break;
case 0x41:
REX=0x41;
REX_b=8;
break;
case 0x42:
REX=0x42;
REX_x=8;
break;
case 0x43:
REX=0x43;
REX_b=8;
REX_x=8;
break;
case 0x44:
REX=0x44;
REX_r=8;
break;
case 0x45:
REX=0x45;
REX_b=8;
REX_r=8;
break;
case 0x46:
REX=0x46;
REX_x=8;
REX_r=8;
break;
case 0x47:
REX=0x47;
REX_b=8;
REX_x=8;
REX_r=8;
break;
case 0x48:
REX=0x48;
opsize=64;
break;
case 0x49:
REX=0x49;
REX_b=8;
opsize=64;
break;
case 0x4A:
REX=0x4A;
REX_x=8;
opsize=64;
break;
case 0x4B:
REX=0x4B;
REX_b=8;
REX_x=8;
opsize=64;
break;
case 0x4C:
REX=0x4C;
REX_r=8;
opsize=64;
break;
case 0x4D:
REX=0x4D;
REX_b=8;
REX_r=8;
opsize=64;
break;
case 0x4E:
REX=0x4E;
REX_x=8;
REX_r=8;
opsize=64;
break;
case 0x4F:
REX=0x4F;
REX_b=8;
REX_x=8;
REX_r=8;
opsize=64;
break;
default:
cont=FALSE;
}
} while (cont);
ip--;
i=0;
j=unasm_table_entries-1;
while (TRUE) {
k=(i+j)>>1; //binary search
tempi=unasm_table[k];
//DumpUnasmIns(tempi);
m=0;
n=0;
while (TRUE) {
a1=tempi->arg1;
a2=tempi->arg2;
oc_cnt=tempi->opcode_cnt;
if (tempi->flags&IEF_STI)
oc_cnt--;
if (n<oc_cnt) {
o1=ip[n];
if (n==tempi->opcode_cnt-1 && tempi->flags & IEF_PLUS_OPCODE)
o1&=-8;
o2=tempi->opcode[n++];
if (m=o1-o2)
break;
} else {
if (tempi->flags&IEF_STI)
sv=tempi->opcode[tempi->opcode_cnt-1]>>3&7;
else
sv=tempi->slash_val;
if (sv<8) {
if (!(m=ip[n]>>3&7-sv)) {
if ((Bt(&uasm_mem_mask,a1) || Bt(&uasm_mem_mask,a2)) &&
ip[n]&0xC0==0xC0) {
m=1;
break;
} else if (tempi->flags&IEF_STI) {
if (ip[n]&0xC0!=0xC0) {
m=-1;
break;
}
if (a1!=ARGT_STI && a2!=ARGT_STI)
m=ip[n]&0x7-tempi->opcode[tempi->opcode_cnt-1]&7;
break;
}
if (opsize==16) {
if (tempi->flags & IEF_OP_SIZE32) {
m=-1;
break;
}
} else {
if (tempi->flags & IEF_OP_SIZE16) {
m=1;
break;
}
}
if (opsize==64||a1==ARGT_M64||a2==ARGT_M64||tempi->flags&IEF_NO_REX) {
if (!Bt(&uasm_ins64_mask,a1) && !Bt(&uasm_ins64_mask,a2) && !(tempi->flags&IEF_48_REX))
m=1;
} else {
if (Bt(&uasm_ins64_mask,a1) || Bt(&uasm_ins64_mask,a2) || tempi->flags&IEF_48_REX)
m=-1;
}
}
} else {
m=0;
if (opsize==16) {
if (tempi->flags & IEF_OP_SIZE32) {
m=-1;
break;
}
} else {
if (tempi->flags & IEF_OP_SIZE16) {
m=1;
break;
}
}
if (opsize==64 || a1==ARGT_M64 || a2==ARGT_M64) {
if (!Bt(&uasm_ins64_mask,a1) && !Bt(&uasm_ins64_mask,a2) && !(tempi->flags&IEF_48_REX)&&
!(a2==ARGT_NO &&
(ARGT_UIMM8<=a1<=ARGT_UIMM64 ||
ARGT_IMM8<=a1<=ARGT_IMM64 ) ))
m=1;
} else {
if (Bt(&uasm_ins64_mask,a1) || Bt(&uasm_ins64_mask,a2) || tempi->flags&IEF_48_REX)
m=-1;
}
}
break;
}
}
if (m>0) {
if (k==i) {
k=j;
break;
} else
i=k;
} else if (m<0) {
if (k-i<=1) {
k=i;
break;
} else
j=k;
} else
break;
}
tempi=unasm_table[k];
ip+=tempi->opcode_cnt;
tempo=tempi(U8 *)-tempi->ins_entry_num*sizeof(CInstruction)-offset(CHashOpcode.ins);
StrCat(buf,tempo->str);
a1=tempi->arg1;
a2=tempi->arg2;
aa1=a1;
aa2=a2;
ptr=DefineSub(a1,"ST_ARG_TYPES");
if (Bt(&uasm_signed_arg_mask,a1)) {
if (StrStr(ptr,"8")) {
arg1_size=1;
StrCat(arg1_st,"I8 ");
} else if (StrStr(ptr,"16")) {
arg1_size=2;
StrCat(arg1_st,"I16 ");
} else if (StrStr(ptr,"32")) {
arg1_size=4;
StrCat(arg1_st,"I32 ");
} else if (StrStr(ptr,"64")) {
arg1_size=8;
StrCat(arg1_st,"I64 ");
}
} else {
if (StrStr(ptr,"8")) {
arg1_size=1;
StrCat(arg1_st,"U8 ");
} else if (StrStr(ptr,"16")) {
arg1_size=2;
StrCat(arg1_st,"U16 ");
} else if (StrStr(ptr,"32")) {
arg1_size=4;
StrCat(arg1_st,"U32 ");
} else if (StrStr(ptr,"64")) {
arg1_size=8;
StrCat(arg1_st,"U64 ");
}
}
ptr=DefineSub(a2,"ST_ARG_TYPES");
if (Bt(&uasm_signed_arg_mask,a2)) {
if (StrStr(ptr,"8")) {
arg2_size=1;
StrCat(arg2_st,"I8 ");
} else if (StrStr(ptr,"16")) {
arg2_size=2;
StrCat(arg2_st,"I16 ");
} else if (StrStr(ptr,"32")) {
arg2_size=4;
StrCat(arg2_st,"I32 ");
} else if (StrStr(ptr,"64")) {
arg2_size=8;
StrCat(arg2_st,"I64 ");
}
} else {
if (StrStr(ptr,"8")) {
arg2_size=1;
StrCat(arg2_st,"U8 ");
} else if (StrStr(ptr,"16")) {
arg2_size=2;
StrCat(arg2_st,"U16 ");
} else if (StrStr(ptr,"32")) {
arg2_size=4;
StrCat(arg2_st,"U32 ");
} else if (StrStr(ptr,"64")) {
arg2_size=8;
StrCat(arg2_st,"U64 ");
}
}
a1_size=arg1_size;
a2_size=arg2_size;
if (tempi->flags & IEF_PLUS_OPCODE) {
ip--;
RM1=*ip++ - tempi->opcode[tempi->opcode_cnt-1]+REX_b;
*buf2=0;
if (ARGT_R8<=a1<=ARGT_R64) {
if (a1_size==1) {
if (REX!=-1)
SPrintF(buf2,"%Z",RM1,"ST_U8_REX_REGS");
else
SPrintF(buf2,"%Z",RM1,"ST_U8_REGS");
} else if (a1_size==2)
SPrintF(buf2,"%Z",RM1,"ST_U16_REGS");
else if (a1_size==4)
SPrintF(buf2,"%Z",RM1,"ST_U32_REGS");
else if (a1_size==8)
SPrintF(buf2,"%Z",RM1,"ST_U64_REGS");
StrCat(a1_st,buf2);
} else {
if (a2_size==1) {
if (REX!=-1)
SPrintF(buf2,"%Z",RM1,"ST_U8_REX_REGS");
else
SPrintF(buf2,"%Z",RM1,"ST_U8_REGS");
} else if (a2_size==2)
SPrintF(buf2,"%Z",RM1,"ST_U16_REGS");
else if (a2_size==4)
SPrintF(buf2,"%Z",RM1,"ST_U32_REGS");
else if (a2_size==8)
SPrintF(buf2,"%Z",RM1,"ST_U64_REGS");
StrCat(a2_st,buf2);
}
}
if (ARGT_RM8<=a1<=ARGT_RM64 ||
ARGT_M8<=a1<=ARGT_M64 ||
ARGT_RM8<=a2<=ARGT_RM64 ||
ARGT_M8<=a2<=ARGT_M64) {
if (ARGT_RM8<=a2<=ARGT_RM64 ||
ARGT_M8<=a2<=ARGT_M64) {
a1_st=arg2_st;
a2_st=arg1_st;
a1_size=arg2_size;
a2_size=arg1_size;
aa1=a2;
aa2=a1;
}
StrCat(a1_st,seg_overrides);
ModrM=*ip++;
Mod=ModrM>>6 & 3;
RM1=ModrM & 7+REX_b;
RM2=ModrM>>3 & 7+REX_r;
if (Mod<3 && RM1&7==4) {
SIB=*ip++;
}
if (Mod==1) {
disp=*ip(U8 *)++;
SPrintF(buf2,"%02X",disp);
StrCat(a1_st,buf2);
}
if (Mod==2) {
disp=*ip(U32 *)++;
SPrintF(buf2,"%08X",disp);
StrCat(a1_st,buf2);
}
if (tempi->slash_val<8)
RM2=-1;
else {
*buf2=0;
if (aa2==ARGT_SREG)
SPrintF(buf2,"%Z",RM2,"ST_SEG_REGS");
else if (!(ARGT_IMM8<=aa2<=ARGT_IMM64) &&
!(ARGT_UIMM8<=aa2<=ARGT_UIMM64)) {
if (a2_size==1) {
if (REX!=-1)
SPrintF(buf2,"%Z",RM2,"ST_U8_REX_REGS");
else
SPrintF(buf2,"%Z",RM2,"ST_U8_REGS");
}else if (a2_size==2)
SPrintF(buf2,"%Z",RM2,"ST_U16_REGS");
else if (a2_size==4)
SPrintF(buf2,"%Z",RM2,"ST_U32_REGS");
else if (a2_size==8)
SPrintF(buf2,"%Z",RM2,"ST_U64_REGS");
}
StrCat(a2_st,buf2);
}
if (RM1&7==5 && !Mod) {
disp=*ip(I32 *)++;
if (seg_size==64) {
disp+=ip;
if (aa2==ARGT_IMM8 || aa2==ARGT_UIMM8)
disp++;
else if (aa2==ARGT_IMM16 || aa2==ARGT_UIMM16)
disp+=2;
else if (aa2==ARGT_IMM32 || aa2==ARGT_UIMM32)
disp+=4;
else if (aa2==ARGT_IMM64 || aa2==ARGT_UIMM64)
disp+=8;
}
SPrintF(buf2,"[%X] ",disp);
StrCat(a1_st,buf2);
RM1=-1;
} else {
if (Mod<3) {
if (RM1&7==4) {
RM1=-1;
r1=SIB & 7+REX_b;
r2=SIB>>3 & 7+REX_x;
scale=SIB>>6 &3;
if (scale==3)
scale=8;
else if (scale==2)
scale=4;
else if (scale==1)
scale=2;
else
scale=1;
if (r1==CREG_RBP && !Mod) {
disp=*ip(U32 *)++;
SPrintF(buf2,"%08X",disp);
StrCat(a1_st,buf2);
if (seg_size!=64)
SPrintF(buf2,"[%Z*%d]",r2,"ST_U32_REGS",scale);
else
SPrintF(buf2,"[%Z*%d]",r2,"ST_U64_REGS",scale);
StrCat(a1_st,buf2);
} else if (r2==4) {
if (seg_size!=64)
SPrintF(buf2,"[%Z]",r1,"ST_U32_REGS");
else
SPrintF(buf2,"[%Z]",r1,"ST_U64_REGS");
StrCat(a1_st,buf2);
} else {
if (seg_size!=64)
SPrintF(buf2,"[%Z+%Z*%d]",r1,"ST_U32_REGS",
r2,"ST_U32_REGS",scale);
else
SPrintF(buf2,"[%Z+%Z*%d]",r1,"ST_U64_REGS",
r2,"ST_U64_REGS",scale);
StrCat(a1_st,buf2);
}
} else {
*buf2=0;
if (opadd==16)
SPrintF(buf2,"[%Z]",RM1,"ST_U16_REGS");
else if (opadd==32)
SPrintF(buf2,"[%Z]",RM1,"ST_U32_REGS");
else
SPrintF(buf2,"[%Z]",RM1,"ST_U64_REGS");
StrCat(a1_st,buf2);
}
} else {
*buf2=0;
if (a1_size==1) {
if (REX!=-1)
SPrintF(buf2,"%Z",RM1,"ST_U8_REX_REGS");
else
SPrintF(buf2,"%Z",RM1,"ST_U8_REGS");
} else if (a1_size==2)
SPrintF(buf2,"%Z",RM1,"ST_U16_REGS");
else if (a1_size==4)
SPrintF(buf2,"%Z",RM1,"ST_U32_REGS");
else if (a1_size==8)
SPrintF(buf2,"%Z",RM1,"ST_U64_REGS");
StrCat(a1_st,buf2);
}
}
}
if (ARGT_MOFFS8<=a1<=ARGT_MOFFS64) {
StrCat(arg1_st,seg_overrides);
if (arg1_size==1) {
disp=*ip(U8 *)++;
SPrintF(buf2,"[%X]",disp);
StrCat(arg1_st,buf2);
} else if (opadd==16) {
disp=*ip(U16 *)++;
SPrintF(buf2,"[%X]",disp);
StrCat(arg1_st,buf2);
} else {
disp=*ip(U32 *)++;
SPrintF(buf2,"[%X]",disp);
StrCat(arg1_st,buf2);
}
}
if (ARGT_MOFFS8<=a2<=ARGT_MOFFS64) {
StrCat(arg2_st,seg_overrides);
if (arg2_size==1) {
disp=*ip(U8 *)++;
SPrintF(buf2,"[%X]",disp);
StrCat(arg2_st,buf2);
} else if (opadd==16) {
disp=*ip(U16 *)++;
SPrintF(buf2,"[%X]",disp);
StrCat(arg2_st,buf2);
} else {
disp=*ip(U32 *)++;
SPrintF(buf2,"[%X]",disp);
StrCat(arg2_st,buf2);
}
}
switch (a1) {
case ARGT_IMM8:
case ARGT_UIMM8:
imm=*ip(U8 *)++;
SPrintF(buf2,"%02X",imm);
StrCat(arg1_st,buf2);
if (tempi->opcode[0]==0xCD) {
if (ptr=DefineSub(imm,"ST_INT_NAMES")) {
StrCat(arg1_st," ");
StrCat(arg1_st,ptr);
}
}
break;
case ARGT_IMM16:
case ARGT_UIMM16:
imm=*ip(U16 *)++;
SPrintF(buf2,"%04X",imm);
StrCat(arg1_st,buf2);
break;
case ARGT_IMM32:
case ARGT_UIMM32:
imm=*ip(U32 *)++;
SPrintF(buf2,"%08X",imm);
StrCat(arg1_st,buf2);
break;
case ARGT_IMM64:
case ARGT_UIMM64:
imm=*ip(I64 *)++;
SPrintF(buf2,"%016X",imm);
StrCat(arg1_st,buf2);
break;
case ARGT_REL8:
disp=*ip(I8 *)++;
disp+=ip;
SPrintF(buf2,"%P ",disp);
if (branch) *branch=disp;
StrCat(arg1_st,buf2);
break;
case ARGT_REL16:
disp=*ip(I16 *)++;
disp+=ip;
SPrintF(buf2,"%P ",disp);
if (branch) *branch=disp;
StrCat(arg1_st,buf2);
break;
case ARGT_REL32:
disp=*ip(I32 *)++;
disp+=ip;
SPrintF(buf2,"%P ",disp);
if (branch) *branch=disp;
StrCat(arg1_st,buf2);
break;
case ARGT_CL:
StrCat(arg1_st,"CL");
break;
case ARGT_AL:
StrCat(arg1_st,"AL");
break;
case ARGT_AX:
StrCat(arg1_st,"AX");
break;
case ARGT_EAX:
StrCat(arg1_st,"EAX");
break;
case ARGT_RAX:
StrCat(arg1_st,"RAX");
break;
case ARGT_DX:
StrCat(arg1_st,"DX");
break;
case ARGT_SS:
StrCat(arg1_st,"SS");
break;
case ARGT_DS:
StrCat(arg1_st,"DS");
break;
case ARGT_ES:
StrCat(arg1_st,"ES");
break;
case ARGT_FS:
StrCat(arg1_st,"FS");
break;
case ARGT_GS:
StrCat(arg1_st,"GS");
break;
case ARGT_CS:
StrCat(arg1_st,"CS");
break;
case ARGT_ST0:
StrCat(arg1_st,"ST0");
break;
case ARGT_STI:
ip--;
SPrintF(buf2,"%Z",*ip++ - tempi->opcode[tempi->opcode_cnt-1],"ST_FSTK_REGS");
StrCat(arg1_st,buf2);
break;
}
switch (a2) {
case ARGT_IMM8:
case ARGT_UIMM8:
imm=*ip(U8 *)++;
SPrintF(buf2,"%02X",imm);
StrCat(arg2_st,buf2);
break;
case ARGT_IMM16:
case ARGT_UIMM16:
imm=*ip(U16 *)++;
SPrintF(buf2,"%04X",imm);
StrCat(arg2_st,buf2);
break;
case ARGT_IMM32:
case ARGT_UIMM32:
imm=*ip(U32 *)++;
SPrintF(buf2,"%08X",imm);
StrCat(arg2_st,buf2);
break;
case ARGT_IMM64:
case ARGT_UIMM64:
imm=*ip(I64 *)++;
SPrintF(buf2,"%016X",imm);
StrCat(arg2_st,buf2);
break;
case ARGT_CL:
StrCat(arg2_st,"CL");
break;
case ARGT_AL:
StrCat(arg2_st,"AL");
break;
case ARGT_AX:
StrCat(arg2_st,"AX");
break;
case ARGT_EAX:
StrCat(arg2_st,"EAX");
break;
case ARGT_RAX:
StrCat(arg2_st,"RAX");
break;
case ARGT_DX:
StrCat(arg2_st,"DX");
break;
case ARGT_SS:
StrCat(arg2_st,"SS");
break;
case ARGT_DS:
StrCat(arg2_st,"DS");
break;
case ARGT_ES:
StrCat(arg2_st,"ES");
break;
case ARGT_FS:
StrCat(arg2_st,"FS");
break;
case ARGT_GS:
StrCat(arg2_st,"GS");
break;
case ARGT_CS:
StrCat(arg2_st,"CS");
break;
case ARGT_ST0:
StrCat(arg2_st,"ST0");
break;
case ARGT_STI:
ip--;
SPrintF(buf2,"%Z",*ip++ - tempi->opcode[tempi->opcode_cnt-1],"ST_FSTK_REGS");
StrCat(arg2_st,buf2);
break;
}
if (tempi->flags&IEF_ENDING_ZERO)
ip++;
if (*arg1_st) {
StrCat(buf,"\t");
StrCat(buf,arg1_st);
}
if (*arg2_st) {
StrCat(buf,",");
StrCat(buf,arg2_st);
}
for (i=ip-(*_ip)(I64);i<6;i++) {
bin_data_area[i<<1]=CH_SPACE;
bin_data_area[i<<1+1]=CH_SPACE;
}
for (i=ip-(*_ip)(I64);i<12;i++) {
bin_data_area2[(i-6)<<1]=CH_SPACE;
bin_data_area2[(i-6)<<1+1]=CH_SPACE;
}
StrCat(buf,"\n");
if (ip-(*_ip)(I64)>6) {
StrCat(buf,buf3);
StrCat(buf,"\n");
}
*_ip=ip;
}
U8 *U(U8 *ip,I64 cnt=20,I64 seg_size=64)
//Unassembles a num of instructions.
{
I64 i;
U8 buf[1024];
if (seg_size==16)
PrintFWarn("%S","ST_16BIT_UNASM");
"$$HL,1$$";
for (i=0;i<cnt;i++) {
Ui(buf,&ip,seg_size);
"" buf;
}
"$$HL,0$$";
return ip;
}
I64 Un(U8 *ip,I64 cnt=0x80,I64 seg_size=64)
//Unassembles a num of bytes
{
I64 i=0;
U8 buf[1024],*end_ip=ip(I64)+cnt;
if (seg_size==16)
PrintFWarn("%S","ST_16BIT_UNASM");
"$$HL,1$$";
while (ip<end_ip) {
Ui(buf,&ip,seg_size);
"" buf;
i++;
}
"$$HL,0$$";
return i;
}